Features of the Gb Instagram :
Customise the app:- In Gb Instagram, you can customise the app as like you want. By going through the Accounts >> GB setting, then you will see the customisation of header and chat.

Themes : This modded application of Instagram allows you to change the themes as you want. Currently, it was in alpha stage so that it will be out soon. Even you might notice the feature on GBwhatsapp which was created by the same developer.

Copy comments : Sometime you may feel that comment is awesome by looking your friend’s comments. In that case, you will able to copy that comment if are you using this.Copy bio : Some of your friends placing some best words in the biography section. If you want to copy those words, this application will help you.

Dual Instagram :Yep you heard it right you can use dual WhatsApp on all android devices. Because of this modded app having a different package name. This will run along with the original Instagram, or you can use the Gbinstagram+.

Copy/Share URLs : When you want to share the videos or images URLs to your friends. This feature will be helpful. You can share the URLs of the particular video or image on other social networking sites too.Translate Comments : You might notice this feature mostly in facebook comments. This would be significant when you want to read the other language comments.

Zoom profile Pictures : Now, you can able to zoom the profile pictures by pressing and holding the images. You can’t-do this with the Original Instagram. For this, you need to download the external app.
No Ban Issues:- Many people might think that they would face banning issue while using these kinds of mods. In fact, there is nothing happen to their accounts. It’s free and safe to use.

Root is not Required : This modded application doesn’t need root access to do its work. So, you can use on both non-rooted and Rooted device undoubtedly.

Download Videos and Images : There are many methods out there to download Instagram stories. But you can’t find the way to download the videos or images from the app without root. By using this app, you will download those without any trouble.

Updates : One of the Major advantage of the Gbinstagram. It will get the updates as per the Original one, and you will get extra features everytime they update the app.

Added Preview for Videos/Images : This feature added in the latest update version gbinstagram 1.20. You can play videos external Video player as like the Gbwhatsapp feature.

Instructions :
Both apk can be installed on one devices
if you want 2 instagram, install GBInsta first then GBInsta Plus
if you want only 1 instagram then install GBInsta only